2 layers50 × 50 mm
EMFDetector v2
curiouselectric/EMFDetector
A simple electro-magnetic field detector for viewing the unseen world around us.
23 parts7
2 layers50 × 50 mm
EMFDetector
curiouselectric/EMFDetector7A simple electro-magnetic field detector for viewing the unseen world around us.
- Size
- 50 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 23
- Nets
- 17
- Pads
- 58
- Tracks, vias
- 100, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 24 Mar 2017
- Updated
- 3 Aug 2026
Overview
EMFDetector is an open-source printed circuit board by curiouselectric, from the curiouselectric/EMFDetector repository on GitHub. It is a 2-layer board of 50 × 50 mm with 23 parts on 17 nets, routed with 100 tracks and 0 vias.
It is built around the OPA2134UA. Its parts include 7 resistors, 6 capacitors, 5 connectors, 2 inductors and 1 IC.
Main components
1README
README.mdEMFDetector
A simple electro-magnetic field detector for viewing the unseen world around us.
Parts
23| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 2.2u | matts_components:C1_wide_lg_pad | C3, C4, C5, C6 |
| 3 | 1k | reinnovation-footprints:TH_Resistor_1 | R3, R4, R7 |
| 2 | 100k | reinnovation-footprints:TH_Resistor_1 | R1, R2 |
| 2 | 100u | REInnovationFootprint:C_1V7_TH | C1, C2 |
| 2 | 22mH | REInnovationFootprint:TH_Inductor_SideMount | L1, L2 |
| 2 | 390k | reinnovation-footprints:TH_Resistor_1 | R5, R6 |
| 1 | BATT | matts_components:Battery_connctor | P2 |
| 1 | HEADPHONES | reinnovation-footprints:TH_3_5mm_Jack | J1 |
| 1 | LOGO1 | CuriousElectric3:TCEC_Words_13mm | P4 |
| 1 | LOGO2 | CuriousElectric3:CuriousElectric_globe_10mm | P5 |
| 1 | OPA2134 | REInnovationFootprint:DIP-8_300_ELL | U1 |
| 1 | PCB | PCB_50x50mm_No_Outline | P3 |
| 1 | PWR | LED-5MM_larg_pad | D1 |
| 1 | PWR | reinnovation-footprints:SW_SPDT_R_Angle_ALIEX | SW1 |
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Questions
How big is the EMFDetector PCB?
It measures 50 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the EMFDetector use?
23 parts, built around the OPA2134UA. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the EMFDetector KiCad files?
From the curiouselectric/EMFDetector repository on GitHub, at the commit this page was made from: the board is EMFDetector-PCB/Version_1/EMFDetector.kicad_pcb and its schematic EMFDetector-PCB/Version_2/EMFDetector_v2.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the EMFDetector design in my own project?
Its repository states no licence, so its author keeps all rights: ask curiouselectric before reusing the design.